document.write( "Question 126736: The sum of two numbers is 17 and the sum of their square is 145. Find the larger number.
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Algebra.Com's Answer #92859 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! Y-9)(Y-8)=0 \n" ); document.write( "X+Y=17 OR X=17-Y \n" ); document.write( "X^2+Y^2=145 \n" ); document.write( "(17-Y)^2+Y^2=145 \n" ); document.write( "289-34Y+Y^2+Y^2=145 \n" ); document.write( "2Y^2-34Y+289-145=0 \n" ); document.write( "2Y^2-34Y+144=0 \n" ); document.write( "2(Y^2-17X+72)=0 \n" ); document.write( "2(Y-9)(Y-8)=0 \n" ); document.write( "Y-9=0 \n" ); document.write( "Y=9 ANSWER FOR THE LARGER NUMBER. \n" ); document.write( "Y=-8=0 \n" ); document.write( "Y=8 ANSWER FOR THE SMALLER NUMBER. \n" ); document.write( "PROOF \n" ); document.write( "8^2+9^2=145 \n" ); document.write( "64+81=145 \n" ); document.write( "145=145 \n" ); document.write( " |